“Historians are so concerned with finding out what happened that they make the enormous mistake of equating facts with truth...you can't get the truth from facts. The truth is the way you feel about it” is basically all you need to know about Foote
Secretary of Defense Rock
Nearly 180,000 Black men served in the Union Army. Another 19,000 in the Navy. Black soldiers accounted for roughly 10% of Union military deaths. A large portion of each were formerly enslaved.
I imagine they gave a damn about slavery.